3 ms·
The SR-71 Blackbird cooled itself through a combination of radiative cooling (hence the black), and using its fuel (that was about to be burned) as a heat sink.
by icegreentea 12y ago
The SR-71 Blackbird cooled itself through a combination of radiative cooling (hence the black), and using its fuel (that was about to be burned) as a heat sink. Some combination of these techniques (and others) would probably be used.
- idlewords 12y agoHere the fuel is already being used as a heat sink to cool the inlet air. Liquid H2 doesn't have that big a heat capacity, you can't use it cool the fuselage and the cabin air and your cocktail and still expect it to keep the engine from melting.